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Niwot, USA Weather Averages

The wettest month is May with an average of 1mm of rain..

Average High Low Temperature Niwot

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
-8-7-30611151493-5-81091517233132322619139JanFebMarAprMayJunJulAugSepOctNovDec

Average Rainfall Niwot

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
000000000000000010000000JanFebMarAprMayJunJulAugSepOctNovDecDaysMM

Chance of Sunny Day Niwot

What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
694071585587798270717569JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Rain Niwot

What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
30101842325856361932JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Windy Day Niwot

What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
72061020000234JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Cloudy Day Niwot

What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
1025101615552158106JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Fog Day Niwot

What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
3100032000322JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Snow Day Niwot

What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
383529165000081827JanFebMarAprMayJunJulAugSepOctNovDec%

Niwot : Next 24-Hour Weather

Tomorrow - 12th April 2025

Sunrise 06:25

Sunrise

Sunset 19:36

Sunset
20:00
Overcast
21°C (69°F)
21:00
Overcast
19°C (66°F)
22:00
Overcast
17°C (62°F)
23:00
Clear
15°C (59°F)

Tomorrow - 13th April 2025

Sunrise 06:25

Sunrise

Sunset 19:36

Sunset
0:00
Clear
14°C (56°F)
1:00
Clear
13°C (55°F)
2:00
Clear
13°C (54°F)
3:00
Clear
12°C (52°F)
4:00
Clear
10°C (49°F)
5:00
Clear
9°C (47°F)
6:00
Clear
8°C (45°F)
7:00
Clear
9°C (47°F)
8:00
Clear
11°C (50°F)
9:00
Clear
13°C (54°F)
10:00
Clear
15°C (58°F)
11:00
Clear
17°C (62°F)
12:00
Clear
18°C (64°F)
13:00
Partly cloudy
19°C (65°F)
14:00
Cloudy
19°C (66°F)
15:00
Thundery outbreaks possible
18°C (63°F)
16:00
Thundery outbreaks possible
16°C (59°F)
17:00
Thundery outbreaks possible
14°C (56°F)
18:00
Cloudy
12°C (53°F)
19:00
Cloudy
11°C (51°F)
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